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Storage
Ultrastar DC HC550
Western Digital
$64445
850 EVO
Samsung
$84445
Capacity Gb
140002000
Capacity
14 TB2 TB
Flash Type
-TLC
Form Factor
3.5"2.5"
Disk RPM
7200 RPM-
Heatsink
No No
Bus
SATA Gen 3SATA Gen 3
NVMe
No No
PCIe Standard
N/AN/A
Random I/O per Second (Read)
-90,000
Random I/O per Second (Write)
-98,000
SATA Speed
6 Gb/s6 Gb/s
Sequential Read Speed
-540 MB/s
Sequential Write Speed
-520 MB/s
Storage Type
Mechanical DiskSolid State Disk
TDP
-4.4W
Part Number
0F38581MZ-75E2T0B
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Comparison Analysis

Comparing the Ultrastar DC HC550 vs 850 EVO reveals distinct differences in their targeted use cases.

The Ultrastar DC HC550 is the more budget-friendly option, costing approximately $200 (31%) less than the 850 EVO.